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United States Patent | 5,163,729 |
Borcea ,   et al. | November 17, 1992 |
A parallel gripper assembly which includes a main body or housing having opposed mounting blocks and associated fingers slidably mounted thereon for movement between a protracted and retracted position. A pair of guide rods slidably support each of the mounting blocks and associated fingers for relative movement toward and away from the main housing with an independent piston and cylinder arrangement effecting the movement of each of the respective mounting blocks and associated fingers toward and away from one another. At least one of the guide rods supporting each of the respective mounting blocks is provided with a pinion rack which is disposed in meshing relationship with a pinion gear for effecting the synchronized movement of the mounting blocks and associated fingers when the piston and cylinder arrangement is actuated.
Inventors: | Borcea; Nicky (95 Steep Hill Rd., Weston, CT 06612); Ionescu; Alexandru D. (190 Sport Hill Rd., Easton, CT 06612) |
Appl. No.: | 748441 |
Filed: | August 22, 1991 |
Current U.S. Class: | 294/119.1; 294/88; 901/37 |
Intern'l Class: | B25J 015/08 |
Field of Search: | 294/119.1,88,81.54,81.62,67.33 901/37,39 414/741,751 |
3166207 | Jan., 1965 | Quayle | 294/119. |
3655232 | Apr., 1972 | Martelee | 294/119. |
3670912 | Jun., 1972 | Dunbar | 294/119. |
3905632 | Sep., 1975 | Caylor et al. | 294/119. |
4252358 | Feb., 1981 | Klebs | 294/67. |
4865375 | Sep., 1989 | Laub et al. | 901/37. |
5005889 | Apr., 1991 | Nerger et al. | 294/119. |
5028203 | Jul., 1991 | Masini | 294/119. |
Foreign Patent Documents | |||
312041 | Dec., 1988 | JP | 294/119. |